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I have a 1973 13' Standard that I recently purchased a lightly used e-tec 30 HP for. The motor is rope-start 15" transom tiller steering (electric starter added).

I have just completed restoration of the boat and have not even had it in the water as of this writing. (Plan to launch it in a couple of days).

The motor came with a BRP stainless 10x13 3-blade. This will suffice for the majority of use which will be me alone or me and my wife.

I wish to purchase a 4-blade SS prop with less pitch to use on the occasions when I will have 4 adults in the boat, or alternately 2 adults and pulling a skier.

Now before anyone starts in I know it is not an ideal ski boat, and I know a 40 HP would pull a skier better. But the 13 with the 30 e-tec is what I have. Skiing, if it happens at all, would be occasional and no fancy stuff, just an adult on top of the water with a ski on each foot having a little fun.

I intend to buy a Solas Titan HR 4. If you were choosing for the applications just described, would you choose 10x11 or 10x10 ?

And by the way the boat is verified original weight; no water-logging. Oh, and for those with a sharp eye, yes, I know BW switched to 20" transom in 1972, but nevertheless mine is 15" and the capacity plate says "Standard" and max HP 40. The Whaler is somewhat of an anomaly.

Thank you.